ARC: Fix pt_orig_r8 access

Syscall restarting fixes made pt_regs->orig_r8 a short word, which was
not reflected in the assembler code - thus could potentially break gdb
debugging.

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index 3f628ca9b71a6b7bb38e7c011e450f53593fea39..ef6800ba2f03f6cce95a78e1db7b175f66d72e7c 100644 (file)
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -496,7 +496,7 @@ tracesys_exit:
 trap_with_param:
 
        ; stop_pc info by gdb needs this info
-       st  orig_r8_IS_BRKPT, [sp, PT_orig_r8]
+       stw orig_r8_IS_BRKPT, [sp, PT_orig_r8]
 
        mov r0, r12
        lr  r1, [efa]
@@ -721,7 +721,7 @@ not_exception:
        ; things to what they were, before returning from L2 context
        ;----------------------------------------------------------------
 
-       ld r9, [sp, PT_orig_r8]        ; get orig_r8 to make sure it is
+       ldw  r9, [sp, PT_orig_r8]      ; get orig_r8 to make sure it is
        brne r9, orig_r8_IS_IRQ2, 149f ; infact a L2 ISR ret path
 
        ld r9, [sp, PT_status32]       ; get statu32_l2 (saved in pt_regs)